Digital Art Question

[AncientPathway]

I create digital art (in PNG file format and some in PDF) which is related to all things esoteric in nature and also related to herbalism and natural healing, astrology, etc. and would like to make it available for free for those of us who are illustrators or just need material to add to such things as their online websites, blogs and creation of educational material, books and articles etc. Am I allowed to post my site here and would this be of interest to anyone?